Gramado CH 1990 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Pedro Rebolledo | d. | Christian Weis | 6-2 6-3 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Pedro Rebolledo | d. | William Kyriakos | 6-0 6-4 |
| Christian Weis | d. | Pablo Albano | 6-3 6-2 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| William Kyriakos | d. | Jose Clavet | 7-6 7-6 |
| Pedro Rebolledo | d. | Eduardo Bengoechea | 6-3 6-2 |
| Pablo Albano | d. | Agustin Moreno | 6-2 6-3 |
| Christian Weis | d. | Joao Cunha Silva | 7-5 4-6 6-4 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| William Kyriakos | d. | Cassio Motta | 7-5 4-6 7-6 |
| Jose Clavet | d. | Vicente Solves | 6-2 6-2 |
| Eduardo Bengoechea | d. | Felipe Rivera | 6-3 6-1 |
| Pedro Rebolledo | d. | Fernando Roese | 6-4 6-2 |
| Agustin Moreno | d. | Jaime Oncins | 6-3 7-6 |
| Pablo Albano | d. | Marcos Perez Hubert | 7-5 6-2 |
| Christian Weis | d. | Joao Zwetsch | 6-2 6-3 |
| Joao Cunha Silva | d. | Jose Daher | 6-4 6-4 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Cassio Motta | d. | Jose Luis Aparisi | 3-6 6-2 6-1 |
| William Kyriakos | d. | Ricardo Camargo | 6-4 6-3 |
| Jose Clavet | d. | Carlos Engel | 6-3 7-6 |
| Vicente Solves | d. | Gustavo Giussani | 7-6 4-6 6-4 |
| Eduardo Bengoechea | d. | Mario Visconti | 6-0 6-4 |
| Felipe Rivera | d. | Nelson Aerts | 7-6 6-7 6-4 |
| Pedro Rebolledo | d. | Alejandro Aramburu | 6-4 7-6 |
| Fernando Roese | d. | Ivan Kley | 6-4 4-6 6-1 |
| Jaime Oncins | d. | Danilo Marcelino | 6-1 4-6 6-1 |
| Agustin Moreno | d. | Radek Zahraj | 7-6 6-2 |
| Pablo Albano | d. | Craig Campbell | 6-0 6-4 |
| Marcos Perez Hubert | d. | Mauro Menezes | 7-6 7-5 |
| Christian Weis | d. | Sergio Cortes | 5-3 RET |
| Joao Zwetsch | d. | Daniel Orsanic | 7-5 3-6 6-3 |
| Jose Daher | d. | Alexandre Hocevar | 7-5 6-3 |
| Joao Cunha Silva | d. | Otavio Della | 3-6 6-2 2-0 RET |